Please see T-SB-0015-21

2019 - 2021 Avalon, Corolla Hatchback, RAV4
VDS(s): A1RFV, A4MBE, AZ1FB Engine(s): A25, M20, 2GR

2018 - 2021 Camry
VDS(s): BZ1HK, FZ1AK Engine(s): A25, 2GR

2020 - 2021 Corolla
VDS(s): M4MCE Engine(s): M20

2017 - 2021 Highlander, Sienna
VDS(s): CZRAH Engine(s): 2GR

2016 - 2021 Tacoma
VDS(s): AZ5CN Engine(s): 2GR
(Please see this Post to determine VDS and WMI's)

This Service Bulletin provides a procedure to properly perform the Techstream “Control the Injection Mode” active test in some 2016 – 2021 model year Toyota vehicles equipped with an FKS engine.

Test Procedure:
1. Using Techstream, navigate to Active Test – Control the Injection Mode.

2. Verify the execute conditions are met to perform the active test
The vehicle MUST be stopped with the engine idling, and the coolant temperature MUST be above 176°F (80°C).

3. Select OK.

4. Select the criteria desired for monitoring (see the figure below).
A. Select Primary as the data set to be displayed.
B. Select the parameters.
C. Select the graph button.

5. Select Direct on the Control the Injection Mode window.

6. Raise engine to 2,000 RPM.

7. Press Start

8. Keep the engine RPM at 2,000 for 30 seconds.

9. Idle the engine for one minute. Figure 4.

10. Click Stop.

11. Select Port on the Control the Injection Mode window and repeat steps 6 – 10 once before continuing to step 12.

12. Utilizing the primary data list graph snapshot, confirm the switch occurred when commanded with the injection mode parameter. Did the vehicle respond to the selected modes (direct and port) during the active test?
YES — The active test is complete.
NO — Retake the active test, return to step 1